Mine backfill

Details Mine backfill Mine backfill

C - Chemistry, Metallurgy

04

B

C04B 28/00 (2006.01) C04B 14/10 (2006.01) E02F 5/22 (2006.01) E21F 15/08 (2006.01)

Patent

CA 2349813

Backfill for a mine contains a main component of conventional backfill material and a flow enhancing superfine material component mixed with the main component. The superfine material component may be a clay, for example, and has a particle size of less than 1 micron. The superfine component is present in an amount of about 0.5 to 1% by weight to best achieve improved flow without plugging in a pipeline.

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